package com.sofa.user.config;




import com.sofa.common.Interceptors.JwtTokenUserInterceptor;
import com.sofa.common.json.JacksonObjectMapper;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.List;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
@Slf4j
@RequiredArgsConstructor
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    private final JwtTokenUserInterceptor jwtTokenUserInterceptor;

    /**
     * 注册自定义拦截器
     *
     * @param registry
     */
    protected void addInterceptors(InterceptorRegistry registry) {
        log.info("开始注册自定义拦截器...");
        registry.addInterceptor(jwtTokenUserInterceptor)
                .addPathPatterns("/**") //指定拦截器要拦截的路径
                .excludePathPatterns("/user/login", "/user/register").order(1); //指定拦截器不进行拦截的路径

    }

    /**
     * 通过knife4j生成接口文档(管理端接口)
     * @return
     */
    @Bean
    public Docket adminDocket() {
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("数字马力项目接口文档")
                .version("2.0")
                .description("数字马力项目接口文档") //简介
                .build();
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
//                .groupName("接口")//分组, 设置组名为"管理端接口"
                .apiInfo(apiInfo)
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.sofa.user.controller")) //指定生成接口需要扫描的包
                .paths(PathSelectors.any())
                .build();
        return docket;
    }


    /**
     * 设置静态资源映射, 主要是访问接口文档(html, js, css)
     * @param registry
     */
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {//通过访问http://localhost:8080/doc.html来查看
        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
    }

    /**
     * 扩展spring MVC框架的消息转化器
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        //创建一个消息转换器对象(这里注意一下类的名称, 我敲错了好多次)
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        //需要为消息转换器设置一个对象转换器, 对象转换器可以将java对象转换成json数据
        converter.setObjectMapper(new JacksonObjectMapper());
        //将我们自己的消息转换器加入到容器中
        converters.add(0, converter);
    }
}
